| // MAC test program. |
| // Test for positive and negative saturation using |
| // SIGNED FRACTIONAL mode. |
| # mach: bfin |
| |
| #include "test.h" |
| .include "testutils.inc" |
| start |
| |
| init_r_regs 0; |
| ASTAT = R0; |
| |
| // load r0=0x00007fff |
| // load r1=0x00007fff |
| loadsym p0, data0 |
| R0 = [ P0 ++ ]; |
| R1 = [ P0 ++ ]; |
| |
| R5 = 0; |
| R4 = 0; |
| BITSET( R4 , 9 ); |
| A1 = A0 = 0; |
| |
| LOOP1: |
| A1 -= R0.L * R1.L, A0 += R0.L * R1.L; |
| //_DBG a1; |
| //_DBG a0; |
| R4 += -1; |
| CC = R4 == R5; |
| IF !CC JUMP LOOP1; |
| R3 = ASTAT; |
| CHECKREG R3, (_AV1S|_AV1|_AV0S|_AV0|_AC0|_AC0_COPY|_CC|_AZ); |
| |
| _DBG A1; |
| _DBG A0; |
| |
| R6 = A1.w; |
| _DBG ASTAT; |
| R7.L = A1.x; |
| R3 = ASTAT; |
| _DBG r3; |
| CHECKREG R3, (_AV1S|_AV1|_AV0S|_AV0|_AC0|_AC0_COPY|_CC|_AZ); |
| |
| CHECKREG R6, 0; |
| CHECKREG R7, 0x0000FF80; |
| R6 = A0.w; |
| R7.L = A0.x; |
| CHECKREG R6, 0xffffffff; |
| CHECKREG R7, 0x7f; |
| |
| pass |
| |
| .data 0x1000; |
| data0: |
| .dw 0x7fff |
| .dw 0x0000 |
| .dw 0x7fff |
| .dw 0x0000 |